John Allen Thresh Memorial Trust

The Community Foundation of Greater Birmingham

Birmingham, AL

The Community Foundation of Greater Birmingham supports nonprofits’ programs, projects, and capital improvements in areas including thriving communities, economic opportunity, poverty reduction, regional cooperation, and equity and inclusion. Its 2024 grants ranged from $5,050 to $4.3 million, with a median of about $20,600; competitive grants serve Blount, Jefferson, Shelby, and St. Clair counties in Alabama. It accepts competitive applications through a brief-proposal process, but eligibility rules and cycle deadlines apply.

The Mabel Amos Memorial Fund

Montgomery, AL

The Mabel Amos Memorial Fund provides scholarships to deserving Alabama students attending educational institutions, with 95% of its 2024 grant dollars going to Alabama recipients. Its 2024 grants ranged from $1,000 to $145,750, with a median of $3,750; students apply through a process shared with high school counselors, and the fund does not state whether it accepts unsolicited requests.

American Heart Association Inc

Dallas, TX

The American Heart Association funds basic, clinical, behavioral, translational, population, and other research on cardiovascular, cerebrovascular, and brain health, mainly through research awards to eligible U.S.-based nonprofit institutions. In 2025, grants ranged from $5,000 to $9.9 million, with a median award of $20,000. Applications are submitted through designated programs; the profile does not state whether unsolicited requests are accepted.

Mathematical Association of America Inc

Washington, DC

MAA supports mathematics enrichment for middle and high school students, efforts to encourage girls and underrepresented students to pursue mathematics, and professional development for middle school math teachers. Its 2024 grants had a median of $6,000 and ranged from $5,325 to $33,389; its programs serve recipients across multiple states. The profile does not state whether unsolicited requests are accepted.

Tulsa Community Foundation

Tulsa, OK

Tulsa Community Foundation supports a broad range of charitable needs, including arts and humanities, healthcare, education, scholarships, emergency assistance, and endowments. Its 2024 grants had a median of $18,560 and primarily benefited the Tulsa area and eastern Oklahoma, with grants also reaching elsewhere in the U.S.; it administers application cycles for selected funds.

Enterprise Holdings Foundation

Saint Louis, MO

Enterprise Holdings Foundation supports nonprofits in health, education, arts, disaster relief, reforestation, hunger relief, and community equity, with an emphasis on organizations actively supported by Enterprise employees and their families. Its reported grants range widely: 2024 giving averaged about $7,700 across 9,499 grants, while the foundation also offers awards of up to $40,000; it supports communities where Enterprise operates worldwide. Unsolicited requests are accepted at any time, but eligible applications must be submitted by an Enterprise team member or their spouse or domestic partner on behalf of a nonprofit they actively support.

Louise H Moffett Family Foundation

Metairie, LA

The foundation funds scholarships, fine arts education, environmental awareness, general operating support, and cancer research, with grants concentrated in Louisiana and also awarded in Texas, Arizona, Alabama, and Florida. Its 2025 grants ranged from $1,000 to $100,000, with a median of $4,000. It accepts formal written requests outlining specific needs and how the funds would be used; no deadline is listed.

National Academy of Sciences

Washington, DC

The National Academy of Sciences funds research and science-related work, with 2024 grants ranging from about $15,000 to $5.15 million and a median grant of about $132,000. Its recent giving was concentrated in Louisiana, Texas, and Florida, though grants also went elsewhere; the profile does not state whether it accepts unsolicited requests.

Kelly Gene Cook Sr Charitable Foundation

Houston, TX

The foundation funds charitable, religious, educational, and scientific organizations, with recent grants supporting scholarships, schools, disability services, and children’s programs. In 2024 it awarded 64 grants totaling about $2 million; grants ranged from $2,204 to $223,786, with a median of $9,317. Most 2024 funding went to Mississippi, followed by Texas and Louisiana; the foundation does not limit giving to preselected organizations, and its filing provides application details in “Statement 11.”

Mississippi Farm Bureau Young Farmer

Jackson, MS

The Nature Conservancy

Arlington, VA

The Nature Conservancy funds conservation activities, including land and water protection, climate resilience, and conservation partnerships, with grants reaching organizations and projects in many locations worldwide. Its 2025 grants had a median of about $31,000, while its New York Climate Resilience program offered grants of up to $50,000 for acquisition and $25,000 for planning and capacity; the profile does not state whether it accepts unsolicited requests.

Alabama Power Foundation Inc

Birmingham, AL

The Alabama Power Foundation funds education, community development, arts and culture, health and human services, and environmental projects in Alabama communities within Alabama Power’s service territory. Its 2024 grants ranged from $100 to $500,000, with a median of $2,500; it offers online grant application cycles, but whether it accepts unsolicited requests is not stated.